mconfig.h

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/* @(#)mconfig.h    1.71 15/08/14 Copyright 1995-2015 J. Schilling */
/*
 *  definitions for machine configuration
 *
 *  Copyright (c) 1995-2015 J. Schilling
 *
 *  This file must be included before any other file.
 *  If this file is not included before stdio.h you will not be
 *  able to get LARGEFILE support
 *
 *  Use only cpp instructions.
 *
 *  NOTE: SING: (Schily Is Not Gnu)
 */
/*
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * See the file CDDL.Schily.txt in this distribution for details.
 * A copy of the CDDL is also available via the Internet at
 * http://www.opensource.org/licenses/cddl1.txt
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file CDDL.Schily.txt from this distribution.
 */
 
#ifndef _SCHILY_MCONFIG_H
#define _SCHILY_MCONFIG_H
 
/*
 * Tell our users that this is a Schily SING compile environment.
 */
#define IS_SCHILY
 
/*
 * We need to do this before we include xconfig.h
 */
#ifdef  NO_LARGEFILES
#undef  USE_LARGEFILES
#endif
#ifdef  NO_ACL
#undef  USE_ACL
#endif
 
/*
 * Inside <schily/archdefs.h> we get architecture specific Processor defines
 * fetched from compiler predefinitions only.
 */
#include <schily/archdefs.h>
 
/*
 * Inside <schily/xconfig.h> we decide whether to use static or dynamic
 * autoconf stuff.
 */
#include <schily/xconfig.h>
 
/*
 * Make sure that neither HAVE_LARGEFILES nor USE_LARGEFILES is defined
 * if the platform does not support large files.
 */
#ifndef HAVE_LARGEFILES
#undef  USE_LARGEFILES
#endif
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*
 * The NetBSD people want to bother us.
 * They removed the definition for 'unix' and are bleating for every test
 * for #if defined(unix). So we need to check for NetBSD early.
 */
#ifndef IS_UNIX
#   if defined(__NetBSD__)
#       define  IS_UNIX
#   endif
#endif
 
#ifndef IS_UNIX
#   if (defined(unix) || defined(__unix) || defined(__unix__)) && \
    !defined(__DJGPP__)
#       define  IS_UNIX
#   endif
#endif
 
#ifdef  __MSDOS__
#   define  IS_MSDOS
#endif
 
#if defined(tos) || defined(__tos)
#   define  IS_TOS
#endif
 
#ifdef  THINK_C
#   define  IS_MAC
#endif
 
#if defined(sun) || defined(__sun) || defined(__sun__)
#   define  IS_SUN
#endif
 
#if defined(__CYGWIN32__) || defined(__CYGWIN__)
#   define  IS_GCC_WIN32
#   define  IS_CYGWIN
 
#if defined(unix) || defined(_X86)
#   define  IS_CYGWIN_1
#endif
#endif
 
/* ------------------------------------------------------------------------- */
/*
 * Some magic that cannot (yet) be figured out with autoconf.
 */
 
#if defined(sun3) || defined(mc68000) || defined(mc68020)
#   ifndef  HAVE_SCANSTACK
#   define  HAVE_SCANSTACK
#   endif
#endif
#ifdef sparc
#   ifndef  HAVE_LDSTUB
#   define  HAVE_LDSTUB
#   endif
#   ifndef  HAVE_SCANSTACK
#   define  HAVE_SCANSTACK
#   endif
#endif
#if defined(__i386_) || defined(i386)
#   ifndef  HAVE_XCHG
#   define  HAVE_XCHG
#   endif
#   ifndef  HAVE_SCANSTACK
#   define  HAVE_SCANSTACK
#   endif
#endif
 
/*
 * Use of SCANSTACK is disabled by default
 */
#ifndef USE_SCANSTACK
#   undef   HAVE_SCANSTACK
#else
/*
 * But ....
 * The tests are much better now, so always give it a chance.
 */
#ifndef HAVE_SCANSTACK
#   define  HAVE_SCANSTACK
#endif
#endif
 
/*
 * Allow to overwrite the defines in the makefiles by calling
 *
 *  make COPTX=-DFORCE_SCANSTACK
 */
#ifdef  FORCE_SCANSTACK
#   undef   NO_SCANSTACK
#ifndef HAVE_SCANSTACK
#   define  HAVE_SCANSTACK
#endif
#ifndef USE_SCANSTACK
#   define  USE_SCANSTACK
#endif
#endif
 
/*
 * This is the global switch to deactivate stack scanning
 */
#ifdef  NO_SCANSTACK
#   ifdef   HAVE_SCANSTACK
#   undef   HAVE_SCANSTACK
#   endif
#endif
 
/*
 * This is the global switch to deactivate using #pragma weak
 */
#ifdef  NO_PRAGMA_WEAK
#   ifdef   HAVE_PRAGMA_WEAK
#   undef   HAVE_PRAGMA_WEAK
#   endif
#endif
 
#ifdef  NO_FORK
#   ifdef   HAVE_FORK
#   undef   HAVE_FORK
#   endif
#   ifdef   HAVE_VFORK
#   undef   HAVE_VFORK
#   endif
#endif
#ifdef  NO_VFORK
#   ifdef   HAVE_VFORK
#   undef   HAVE_VFORK
#   endif
#endif
 
#if defined(SOL2) || defined(SOL2) || \
    defined(S5R4) || defined(__S5R4) || defined(SVR4)
#   ifndef  __SVR4
#       define  __SVR4
#   endif
#endif
 
#ifdef  __SVR4
#   ifndef  SVR4
#       define  SVR4
#   endif
#endif
 
/*
 * SunOS 4.x / SunOS 5.x
 */
#if defined(IS_SUN)
#   define  HAVE_GETAV0
#endif
 
/*
 * AIX
 */
#if defined(_IBMR2) || defined(_AIX)
#   ifndef  IS_UNIX
#   define  IS_UNIX     /* ??? really ??? */
#   endif
#endif
 
/*
 * QNX
 */
#if defined(__QNX__)
#   ifndef  IS_UNIX
#   define  IS_UNIX
#   endif
#endif
 
/*
 * Silicon Graphics (must be before SVR4)
 */
#if defined(sgi) || defined(__sgi)
#   define  __NOT_SVR4__    /* Not a real SVR4 implementation */
#endif
 
/*
 * Data General
 */
#if defined(__DGUX__)
#ifdef  XXXXXXX
#   undef   HAVE_MTGET_DSREG
#   undef   HAVE_MTGET_RESID
#   undef   HAVE_MTGET_FILENO
#   undef   HAVE_MTGET_BLKNO
#endif
#   define  mt_type     mt_model
#   define  mt_dsreg    mt_status1
#   define  mt_erreg    mt_status2
    /*
     * DGUX hides its flock as dg_flock.
     */
#   define  HAVE_FLOCK
#   define  flock   dg_flock
    /*
     * Use the BSD style wait on DGUX to get the resource usages of child
     * processes.
     */
#   define  _BSD_WAIT_FLAVOR
#endif
 
/*
 * Apple Rhapsody (This is the name for Mac OS X beta)
 */
#if defined(__NeXT__) && defined(__TARGET_OSNAME) && __TARGET_OSNAME == rhapsody
#   define  HAVE_OSDEF /* prevent later definitions to overwrite current */
#   ifndef  IS_UNIX
#   define  IS_UNIX
#   endif
#endif
 
/*
 * NextStep
 */
#if defined(__NeXT__) && !defined(HAVE_OSDEF)
#define NO_PRINT_OVR
#undef  HAVE_USG_STDIO
                /*
                 * NeXT Step 3.x uses
                 * __flsbuf(unsigned char, FILE *)
                 * instead of __flsbuf(int, FILE *)
                 */
#   ifndef  IS_UNIX
#   define  IS_UNIX
#   endif
#endif
 
/*
 * Mac OS X
 */
#if defined(__APPLE__) && defined(__MACH__)
#   ifndef  IS_UNIX
#   define  IS_UNIX
#   endif
#   define  IS_MACOS_X
#endif
 
/*
 * NextStep 3.x has a broken linker that does not allow us to override
 * these functions.
 */
#ifndef __OPRINTF__
 
#ifdef  NO_PRINT_OVR
#   define  printf  Xprintf
#   define  fprintf Xfprintf
#   define  sprintf Xsprintf
#endif
 
#endif  /* __OPRINTF__ */
 
/* ------------------------------------------------------------------------- */
 
#ifndef _SCHILY_PROTOTYP_H
#include <schily/prototyp.h>
#endif
 
/*
 * We use HAVE_LONGLONG as generalized test on whether "long long", "__in64" or
 * something similar exist.
 *
 * In case that HAVE_LONGLONG is defined here, this is an indication that
 * "long long" works. We define HAVE_LONG_LONG to keep this knowledge.
 */
#ifdef  HAVE_LONGLONG
#   define  HAVE_LONG_LONG
#endif
 
/*
 * Microsoft C defines _MSC_VER
 * use __int64 instead of long long and use 0i64 for a signed long long const
 * and 0ui64 for an unsigned long long const.
 *
 * #if defined(HAVE___INT64)
 *  use __int64
 * #elif defined(HAVE_LONGLONG)
 *  use long long
 * #endif
 *
 * Be very careful here as older MSVC versions do not implement long long but
 * rather __int64 and once someone makes 'long long' 128 bits on a 64 bit
 * machine, we may need to check for a MSVC __int128 type.
 */
#ifndef HAVE_LONGLONG
#   if  defined(HAVE___INT64)
#       define  HAVE_LONGLONG
#   endif
#endif
 
/*
 * gcc 2.x generally implements the "long long" type.
 */
#ifdef  __GNUC__
#   if  __GNUC__ > 1
#       ifndef  HAVE_LONGLONG
#           define  HAVE_LONGLONG
#       endif
#       ifndef  HAVE_LONG_LONG
#           define  HAVE_LONG_LONG
#       endif
#   endif
#endif
 
#ifdef  __CHAR_UNSIGNED__   /* GNU GCC define (dynamic) */
#ifndef CHAR_IS_UNSIGNED
#define CHAR_IS_UNSIGNED    /* Sing Schily define (static)  */
#endif
#endif
 
/*
 * Convert to GNU name
 */
#ifdef  HAVE_STDC_HEADERS
#   ifndef  STDC_HEADERS
#       define  STDC_HEADERS
#   endif
#endif
/*
 * Convert to SCHILY name
 */
#ifdef  STDC_HEADERS
#   ifndef  HAVE_STDC_HEADERS
#       define  HAVE_STDC_HEADERS
#   endif
#endif
 
#ifdef  IS_UNIX
#   define  HAVE_PATH_DELIM
#   define  PATH_DELIM      '/'
#   define  PATH_DELIM_STR      "/"
#   define  PATH_ENV_DELIM      ':'
#   define  PATH_ENV_DELIM_STR  ":"
#   define  far
#   define  near
#endif
 
/*
 * Win32 with Gygwin
 */
#ifdef  IS_GCC_WIN32
#   define  HAVE_PATH_DELIM
#   define  PATH_DELIM      '/'
#   define  PATH_DELIM_STR      "/"
#   define  PATH_ENV_DELIM      ':'
#   define  PATH_ENV_DELIM_STR  ":"
#   define  HAVE_DOS_DRIVELETTER
#   define  far
#   define  near
#   define  NEED_O_BINARY
#endif
 
/*
 * Win32 with Mingw32
 */
#ifdef  __MINGW32__
#   define  HAVE_PATH_DELIM
#   define  PATH_DELIM      '/'
#   define  PATH_DELIM_STR      "/"
#   define  PATH_ENV_DELIM      ';'
#   define  PATH_ENV_DELIM_STR  ";"
#   define  HAVE_DOS_DRIVELETTER
#   define  far
#   define  near
#   define  NEED_O_BINARY
#endif
 
/*
 * OS/2 EMX
 */
#ifdef  __EMX__             /* We don't want to call it UNIX */
#   define  HAVE_PATH_DELIM
#   define  PATH_DELIM      '/'
#   define  PATH_DELIM_STR      "/"
#   define  PATH_ENV_DELIM      ';'
#   define  PATH_ENV_DELIM_STR  ";"
#   define  HAVE_DOS_DRIVELETTER
#   define  far
#   define  near
#   define  NEED_O_BINARY
#endif
 
#ifdef  __BEOS__            /* We don't want to call it UNIX */
#   define  HAVE_PATH_DELIM
#   define  PATH_DELIM      '/'
#   define  PATH_DELIM_STR      "/"
#   define  PATH_ENV_DELIM      ':'
#   define  PATH_ENV_DELIM_STR  ":"
#   define  far
#   define  near
#endif
 
/*
 * DOS with DJGPP
 */
#ifdef  __DJGPP__           /* We don't want to call it UNIX */
#   define  HAVE_PATH_DELIM
#   define  PATH_DELIM      '/'
#   define  PATH_DELIM_STR      "/"
#   define  PATH_ENV_DELIM      ';'
#   define  PATH_ENV_DELIM_STR  ";"
#   define  HAVE_DOS_DRIVELETTER
 
#   define  NEED_O_BINARY
#endif
 
/*
 * Vanilla DOS
 */
#if defined(IS_MSDOS) && !defined(__DJGPP__)
#   define  HAVE_PATH_DELIM
#   define  PATH_DELIM      '\\'
#   define  PATH_DELIM_STR      "\\"
#   define  PATH_ENV_DELIM      ';'
#   define  PATH_ENV_DELIM_STR  ";"
#   define  HAVE_DOS_DRIVELETTER
 
#   define  NEED_O_BINARY
#endif
 
/*
 * ATARI TOS
 */
#ifdef  IS_TOS
#   define  HAVE_PATH_DELIM
#   define  PATH_DELIM      '\\'
#   define  PATH_DELIM_STR      "\\"
#   define  PATH_ENV_DELIM      ','
#   define  PATH_ENV_DELIM_STR  ","
#   define  HAVE_DOS_DRIVELETTER
#   define  far
#   define  near
#endif
 
/*
 * Mac OS 9
 */
#ifdef  IS_MAC
#   define  HAVE_PATH_DELIM
#   define  PATH_DELIM      ':'
#   define  PATH_DELIM_STR      ":"
#   define  PATH_ENV_DELIM      ';' /* ??? */
#   define  PATH_ENV_DELIM_STR  ";" /* ??? */
#   define  far
#   define  near
#endif
 
/*
 * I hope this will make compilation on unknown OS easier.
 */
#ifndef HAVE_PATH_DELIM         /* Default to POSIX rules */
#   define  HAVE_PATH_DELIM
#   define  PATH_DELIM      '/'
#   define  PATH_DELIM_STR      "/"
#   define  PATH_ENV_DELIM      ':'
#   define  PATH_ENV_DELIM_STR  ":"
#   define  far
#   define  near
#endif
 
/*
 * Is there a solution for /dev/tty and similar?
 */
#ifdef  HAVE__DEV_NULL
#   define  DEV_NULL        "/dev/null"
#else
#if defined(_MSC_VER) || defined(__MINGW32__)
#   define  DEV_NULL        "NUL"
#else
/*
 * What to do here?
 */
#endif
#endif
 
#ifdef  DBG_MALLOC
/*
 * We need to include this here already in order to make sure that
 * every program that is based on mconfig.h will include schily/dbgmalloc.h
 * in case that we specify -DDBG_MALLOC
 */
#include <schily/dbgmalloc.h>
#endif
 
#ifdef __cplusplus
}
#endif
 
#endif /* _SCHILY_MCONFIG_H */